While Didi has never confirmed its plans for an initial public offering, the spin-off of what is an asset-heavy part of its business could be a step in that direction. Its IPO would be one of the biggest of recent years given the company's current $56 billion valuation.

The company is planning to sell new shares worth about $117-$147 million in a deal valuing it at about 400-500 million euros, people close to the matter said, adding that the listing would likely take place in late June.

Machinery maker Klingelnberg plans to raise about $23.1 million by selling shares that will trade on the Swiss exchange, with the proceeds going to help boost growth and acquisition opportunities, it said on Wednesday.

China's Zhejiang Geely Holding Group, which bought Volvo Cars in 2010, has picked Citigroup, Goldman Sachs and Morgan Stanley for the listing, the source said, who asked not to be identified because the deliberations are confidential.

Besides, the watchdog has mooted reducing the minimum application size for anchor investors to Rs 2 crore from current level of Rs 10 crore in the case of public issues by Small and Medium Enterprises.